Electronic Brake Control Module: Service and Repair

2005 Chevrolet Blazer 4WD V6-4.3L VIN XSECTION Service and Repair


Electronic Brake Control Module (EBCM) Replacement

Removal Procedure

Caution: Refer to Brake Dust Caution in Service Precautions.

Caution: Refer to Brake Fluid Irritant Caution in Service Precautions.

Notice: Refer to Brake Fluid Effects on Paint and Electrical Components Notice in Service Precautions.

Important: After installation, calibrate the new EBCM to the tire size that is appropriate to the vehicle.





1. Important: Thoroughly wash all contaminants from around the EHCU. The area around the EHCU must be free from loose dirt to prevent contamination of disassembled ABS components.

Disconnect the electrical connectors from the EBCM (2).
2. Remove the four T 25-TORX� mounting screws (1) that fasten the EBCM (2) to the BPMV (3).
3. Remove the EBCM (2) from the BPMV (3). Removal may require a light amount of force.

Important: Do not use a tool to pry the EBCM or the BPMV.

4. Clean the BPMV (3) to EBCM (2) mounting surfaces with a clean cloth.

Installation Procedure

Important: Do not reuse the old mounting screws. Always install new mounting screws with the new EBCM.





1. Important: Do not use RTV or any other type of sealant on the EBCM gasket or mating surfaces.

Install EBCM (2) on to the BPMV (3).

2. Notice: Refer to Fastener Notice in Service Precautions.

Install the four new T-25 TORX� screws (1) in the EBCM (2).
^ Tighten the four T-25 TORX� screws to 5 Nm (39 inch lbs.) in an X-pattern.
3. Connect the electrical connectors to the EBCM (2).
4. Revise the tire calibration using the Scan Tool Tire Size Calibration function.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.